Best of Bay to Breakers

A group of women did the centipede run up Hayes Street Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party. less

A group of women did the centipede run up Hayes Street Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big ... more

These runners managed to get their hair to match the color of their outfits Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party. less

These runners managed to get their hair to match the color of their outfits Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique ... more

A couple stopped to appreciate the downward part of Hayes hill Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party.

A couple stopped to appreciate the downward part of Hayes hill Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into

A couple stopped to appreciate the downward part of Hayes hill... Photo-7999264.62551 - SFGate

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Glitter was the costume for these runners on Hayes Street Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party. less

Glitter was the costume for these runners on Hayes Street Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one ... more

Photo: Brant Ward / The Chronicle

Glitter was the costume for these runners on Hayes Street Sunday... Photo-7998640.62551 - SFGate

This runner had to hike up his dress as he made his way up Hayes Street Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party. less

This runner had to hike up his dress as he made his way up Hayes Street Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique ... more

These runners were definitely on display Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party.

These runners were definitely on display Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party.

Crowds were treated to new signs this year, one of which called for no public urination Sunday May 17, 2015. The zany 103rd Bay to Breakers event in the streets of San Francisco, Calif. attracted thousands.

Crowds were treated to new signs this year, one of which called for no public urination Sunday May 17, 2015. The zany 103rd Bay to Breakers event in the streets of San Francisco, Calif. attracted thousands.

Crayons always have a colorful time at the event Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party.

Crayons always have a colorful time at the event Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party.

This bunny decided to take the hill backwards making the turtle jealous. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party. less

This bunny decided to take the hill backwards making the turtle jealous. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big ... more

Colorful hair and outfits combined for this group on Hayes Street Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party. less

Colorful hair and outfits combined for this group on Hayes Street Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes ... more

Giraffes loomed large as they stopped for a selfie Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party. less

Giraffes loomed large as they stopped for a selfie Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big ... more

Faces in the crowd as some just walked up Hayes Street Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party. less

Faces in the crowd as some just walked up Hayes Street Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big ... more

After passing a security area, runners and walkers continued Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party. less

After passing a security area, runners and walkers continued Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into ... more

A flower delivery was in order for this runner Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party.

A flower delivery was in order for this runner Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party.

Thousands jammed the street routes of the race, here looking down Hayes Street Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and unique costumes into one big party. less

Thousands jammed the street routes of the race, here looking down Hayes Street Sunday May 17, 2015. The zany Bay to Breakers event in the streets of San Francisco, Calif. combined thousands of runners and ... more

People in costume rejoiced in their making it to the top of the hill. The annual Bay to Breakers event in San Francisco, Calif. attracted thousands of runners and revelers as they made their way up the Hayes Street Hill Sunday May 18, 2014. less

People in costume rejoiced in their making it to the top of the hill. The annual Bay to Breakers event in San Francisco, Calif. attracted thousands of runners and revelers as they made their way up the Hayes ... more

People stopped and celebrated their arrival at the top of the Hayes Street hill. The annual Bay to Breakers event in San Francisco, Calif. attracted thousands of runners and revelers as they made their way up the Hayes Street Hill Sunday May 18, 2014. less

People stopped and celebrated their arrival at the top of the Hayes Street hill. The annual Bay to Breakers event in San Francisco, Calif. attracted thousands of runners and revelers as they made their way up ... more

The yip yip Martians arrived at the top of Hayes Street hill. The annual Bay to Breakers event in San Francisco, Calif. attracted thousands of runners and revelers as they made their way up the Hayes Street Hill Sunday May 18, 2014. less

The yip yip Martians arrived at the top of Hayes Street hill. The annual Bay to Breakers event in San Francisco, Calif. attracted thousands of runners and revelers as they made their way up the Hayes Street ... more

Two sea shells walked together near the end of the crowd. The annual Bay to Breakers event in San Francisco, Calif. attracted thousands of runners and revelers as they made their way up the Hayes Street Hill Sunday May 18, 2014. less

Two sea shells walked together near the end of the crowd. The annual Bay to Breakers event in San Francisco, Calif. attracted thousands of runners and revelers as they made their way up the Hayes Street Hill ... more

The crowd filled Hayes Street as they began the downhill portion. The annual Bay to Breakers event in San Francisco, Calif. attracted thousands of runners and revelers as they made their way up the Hayes Street Hill Sunday May 18, 2014. less

The crowd filled Hayes Street as they began the downhill portion. The annual Bay to Breakers event in San Francisco, Calif. attracted thousands of runners and revelers as they made their way up the Hayes ... more

A group of purple people tried to get some attention near Fillmore Street. The annual Bay to Breakers event in San Francisco, Calif. attracted thousands of runners and revelers as they made their way up the Hayes Street Hill Sunday May 18, 2014.

A group of purple people tried to get some attention near Fillmore Street. The annual Bay to Breakers event in San Francisco, Calif. attracted thousands of runners and revelers as they made their way up the

A couple of giraffes celebrated on the run. The annual Bay to Breakers event in San Francisco, Calif. attracted thousands of runners and revelers as they made their way up the Hayes Street Hill Sunday May 18, 2014. less

A couple of giraffes celebrated on the run. The annual Bay to Breakers event in San Francisco, Calif. attracted thousands of runners and revelers as they made their way up the Hayes Street Hill Sunday May 18, ... more

"Censored" group of women poses for a picture after the finishing line by the ocean during 101st Bay to Breakers foot race in San Francisco, Calif. on May 20, 2012.

"Censored" group of women poses for a picture after the finishing line by the ocean during 101st Bay to Breakers foot race in San Francisco, Calif. on May 20, 2012.

Photo: Siana Hristova, The Chronicle

"Censored" group of women poses for a picture after the... Photo-4640993.62551 - SFGate

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Norm (no last name given), of Campbell, gets surprised by a stranger grabbing him as a man in a mustard costume takes a photo of the #12 shaved into the hair jersey on his back during the annual Bay to Breakers run in 2012. less

Norm (no last name given), of Campbell, gets surprised by a stranger grabbing him as a